Oak Systems Pvt Ltd.
- Independent Software Testing company based in Bangalore since 1998 with an office in Texas. ISO certified and has over 150 QA/testing specialists. Information on services, clients, projects, and job opportunities.

Testronic Laboratories, Inc.
- A worldwide service in manual functionality and compatibility testing of educational, entertainment, games and business softwareis offered from Pinewood Studios and central London, Burbank, California US, and Warsaw, Poland.